Graco 107091 Mach Flat Head Screw

The Graco 107091 Screw, Mach Flat Head is a genuine OEM fastener designed for secure, flush mounting in Graco spray and pump systems.

Precision-machined flat head for tight, even fit
Durable, corrosion-resistant metal construction
Ensures alignment and stability in high-pressure setups
Used in Graco manifolds, spray guns, and assembly mounts

$7.94

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Description

Comprehensive Overview of Graco 107091 Screw, Machined Flat-Head

The Graco 107091 Screw, Machined Flat-Head is a precision-manufactured fastening component designed to deliver secure, flush-fit connections in high-pressure coating systems and spray equipment. Engineered for durability and exact fitment, it supports optimal system integrity in industrial finishing environments.

Compatible Machines

Graco Silver Plus™ Airless Spray Guns – The parts list identifies “20G107091 ½-20 Screw” in the manifold/assembly schematic.
Graco High-Pressure Spray Manifold Assemblies – Catalog listings show the 107091 Screw, Mach, Flat Head as the OEM part.
Graco Industrial Coating Modules & Gun Kits – Maintained as the standard flat-head machine screw for manifold mounting in Graco systems.

Key Features

Precision-machined flat-head profile ensures a flush mounting surface and minimal protrusion.
Stainless steel or high-grade alloy construction resists corrosion and maintains integrity in chemical and high-pressure environments. :contentReference[oaicite:3]{index=3}
OEM-certified for Graco systems to maintain correct fit, thread engagement, and torque specifications.
Optimized for fluid-handling applications to reduce leakage and maintain mechanical stability under dynamic conditions.

Technical Specifications

Specification	Details
Part Number	107091
Component Type	Screw, Machine Flat-Head
Typical Application	Manifold assemblies, spray-gun mounts, high-pressure fluid modules
Material	Corrosion-resistant stainless/heat-treated alloy (per OEM spec)
Thread/Size	½-20 (listed in Graco Silver Plus spec)

Installation & Maintenance Tips

Ensure the equipment is depressurized and powered off before accessing the mounting surface.
Clean the screw hole and its mating surfaces of debris, coatings or corrosion before installation.
Install the screw to the correct torque range recommended by the equipment manufacturer to avoid misalignment or stripping.
Inspect the screw head for signs of galling, deformation or chemical attack during routine maintenance — replace if damage is observed.

Frequently Asked Questions

It secures critical components in spray-gun and manifold assemblies, providing flush fitment and reliable thread engagement under high-pressure conditions.

Refer to your machine’s parts manual or schematic. If “Screw, Mach, Flat Head – 107091” is listed for your model, this is the correct replacement part.

While the dimensions may physically fit other systems, this part is designed to Graco’s exact material, thread, and finish specifications. Using it outside the specified application may affect performance or warranty.

Replace the screw if you notice stripped threads, head deformation, corrosion or loosening during service intervals. It’s a low-cost component whose failure could compromise system integrity.

Using the genuine Graco 107091 Screw, Machined Flat-Head ensures secure assembly, flush installation and dependable performance in your high-pressure spray and coating systems.